/*«Copyright 2006, 2007 Yann Arthur Nicolas»
 *www.merlinsource.com
 *yannart@gmail.com
 *
 * This file is part of a SJCP 5 practice set of classes.
 *
 * This SJCP 5 practice set of classes is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This SJCP 5 practice set of classes is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

package chapter3.modifiers;

class OtherClass{
    private int privateAttribute;
    
    
    private void privateMethod(){
        System.out.println("From: " + this);
        System.out.println(privateAttribute);
    }
}

public class PrivateClass {
    
    private static boolean firstClass = true;
    private int privateAttribute;
    
    private void privateMethod(){
        System.out.println("From: " + this);
        System.out.println(privateAttribute);
    }
    
    public PrivateClass() {
        if(firstClass){
            firstClass = false;
            
            //The instance can access to its private attributes
            this.privateAttribute = 1;
            
            PrivateClass newPrivateClass = new PrivateClass();
            OtherClass otherClass = new OtherClass();
            
            //The instance can access to other private attributes of a same class instance
            newPrivateClass.privateAttribute = 2;
            
            //The instance can't access to other private attributes of a different class instance
            //otherClass.privateAttribute = 3;
            
            //The instance can access to its private methods
            privateMethod();
            
            //The instance can access to other private methods of a same class instance
            newPrivateClass.privateMethod();
            
            //The instance can't access to other private methods of a different class instance
            //otherClass.privateMethod();
            
        }
    }
    
    public static void main(String [] args){
        new PrivateClass();
    }
}
